ATE189833T1 - CONTROL FOR A SOLIDIFICATION MACHINE WITH MEASURING DEVICE FOR THE PROPERTIES OF THE BASE MATERIAL - Google Patents

CONTROL FOR A SOLIDIFICATION MACHINE WITH MEASURING DEVICE FOR THE PROPERTIES OF THE BASE MATERIAL

Info

Publication number
ATE189833T1
ATE189833T1 AT94930395T AT94930395T ATE189833T1 AT E189833 T1 ATE189833 T1 AT E189833T1 AT 94930395 T AT94930395 T AT 94930395T AT 94930395 T AT94930395 T AT 94930395T AT E189833 T1 ATE189833 T1 AT E189833T1
Authority
AT
Austria
Prior art keywords
ground
pct
drum
shear modulus
segment
Prior art date
Application number
AT94930395T
Other languages
German (de)
Inventor
Ake Sandstroem
Original Assignee
Geodynamik Ht Aktiebolag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Geodynamik Ht Aktiebolag filed Critical Geodynamik Ht Aktiebolag
Application granted granted Critical
Publication of ATE189833T1 publication Critical patent/ATE189833T1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/28—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows
    • E01C19/288—Vibrated rollers or rollers subjected to impacts, e.g. hammering blows adapted for monitoring characteristics of the material being compacted, e.g. indicating resonant frequency, measuring degree of compaction, by measuring values, detectable on the roller; using detected values to control operation of the roller, e.g. automatic adjustment of vibration responsive to such measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/18—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration in two or more dimensions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Road Paving Machines (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Paper (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

PCT No. PCT/SE94/00965 Sec. 371 Date Jun. 12, 1996 Sec. 102(e) Date Jun. 12, 1996 PCT Filed Oct. 14, 1994 PCT Pub. No. WO95/10664 PCT Pub. Date Apr. 20, 1995A compacting machine having a vibrating drum for compaction of ground material includes a controller. The drum is moved over a segment of the ground while a shear modulus and a plastic parameter of the segment of the ground are measured. From the measurements, in particular the value of the shear modulus, values for the frequency and/or the amplitude of the vibration and/or the rolling velocity of the drum are determined. These values are used for adjusting the compacting machine. In the measurement of the shear modulus, two accelerometers are used for determining, during the passing of the segment of the ground, the acceleration of the drum in at least an essentially vertical direction. The amplitude and the phase position of the eccentric system in relation to the acceleration are determined by using, among other things, a pulse sensor. Therefrom, and from fixed data concerning the compacting machine, the shear modulus of the ground is determined by integration of state equations. Then, the plastic parameter is obtained.
AT94930395T 1993-10-14 1994-10-14 CONTROL FOR A SOLIDIFICATION MACHINE WITH MEASURING DEVICE FOR THE PROPERTIES OF THE BASE MATERIAL ATE189833T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9303387A SE502079C2 (en) 1993-10-14 1993-10-14 Control of a packing machine measuring the properties of the substrate
PCT/SE1994/000965 WO1995010664A1 (en) 1993-10-14 1994-10-14 Control of a compacting machine with a measurement of the characteristics of the ground material

Publications (1)

Publication Number Publication Date
ATE189833T1 true ATE189833T1 (en) 2000-03-15

Family

ID=20391432

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94930395T ATE189833T1 (en) 1993-10-14 1994-10-14 CONTROL FOR A SOLIDIFICATION MACHINE WITH MEASURING DEVICE FOR THE PROPERTIES OF THE BASE MATERIAL

Country Status (8)

Country Link
US (1) US5727900A (en)
EP (1) EP0723616B1 (en)
JP (1) JP3647865B2 (en)
AT (1) ATE189833T1 (en)
DE (1) DE69423048T2 (en)
ES (1) ES2145160T3 (en)
SE (1) SE502079C2 (en)
WO (1) WO1995010664A1 (en)

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Also Published As

Publication number Publication date
SE502079C2 (en) 1995-08-07
JP3647865B2 (en) 2005-05-18
JPH09505645A (en) 1997-06-03
EP0723616B1 (en) 2000-02-16
US5727900A (en) 1998-03-17
EP0723616A1 (en) 1996-07-31
ES2145160T3 (en) 2000-07-01
DE69423048T2 (en) 2000-09-14
SE9303387D0 (en) 1993-10-14
DE69423048D1 (en) 2000-03-23
SE9303387L (en) 1995-04-15
WO1995010664A1 (en) 1995-04-20

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